diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 366e414..70c394e 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -3,6 +3,8 @@
  */
 #include <linux/init.h>
 #include <linux/nfs_idmap.h>
+#include <linux/nfs_fs.h>
+#include "nfs4_fs.h"
 
 int __init init_nfs_v4(void)
 {
@@ -12,12 +14,19 @@
 	if (err)
 		goto out;
 
+	err = nfs4_register_sysctl();
+	if (err)
+		goto out1;
+
 	return 0;
+out1:
+	nfs_idmap_quit();
 out:
 	return err;
 }
 
 void __exit exit_nfs_v4(void)
 {
+	nfs4_unregister_sysctl();
 	nfs_idmap_quit();
 }